# Prime Number Checker vs Math Problems 1st

The clearest difference is in-app purchases: Prime Number Checker at none against Math Problems 1st's 3. Prime Number Checker also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Math Problems 1st sells 3 in-app purchases, starting at $12.99 per month. Prime Number Checker asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Prime Number Checker | Math Problems 1st |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (13K ratings)](https://appshunter.io/ios/app/math-problems-1st-12th-grade/id1540872304/reviews)** |
| Number of ratings | — | **13K** |
| Positive reviews | — | 85.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 146 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adam Thuvesen](https://appshunter.io/developer/1110341546) | [Adam Drzewiecki](https://appshunter.io/developer/1535796880) |

## What reviewers say

### Prime Number Checker

[App page](https://appshunter.io/ios/app/prime-number-checker/id1114293126)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Math Problems 1st

[App page](https://appshunter.io/ios/app/math-problems-1st-12th-grade/id1540872304)

This app offers a comprehensive math learning experience for all ages, from preschoolers to university students. It provides step-by-step solutions for basic arithmetic and more advanced problems, helping users build math skills through practice and engaging games.

**Highlights:** Step-by-step solutions, Practice basic math operations, Math tests and brain training, Suitable for all ages, Rewards and level progression, Multiple language support

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $12.99 | per month |
| Premium | $49.99 | per year |
| Premium | $79.99 | one-time |

**What reviewers like**

- 🚀 Excellent learning tool
- 👍 Fun and engaging
- 🤓 Helps improve math skills
- 💡 Wide range of math topics covered
- 🏆 Effective for students of all levels

**What reviewers complain about**

- 🔍 Lack of detailed explanations
- 🛑 Too many ads
- 💰 Premium features not worth the cost

**Reported bugs**

- Glitches in the calculator feature
- Incorrect math concepts in some questions

**Requested features**

- More comprehensive lessons and tutorials
- Personalized learning paths
- Offline mode without ads
- Improved feedback on mistakes


## Frequently asked questions

### Is Prime Number Checker free?

Prime Number Checker is free to download, with no in-app purchases.

### Is Math Problems 1st free?

Math Problems 1st is free to download, with in-app purchases available.

### Do Prime Number Checker or Math Problems 1st have ads?

Math Problems 1st shows ads; Prime Number Checker does not.

### Which is updated more often, Prime Number Checker or Math Problems 1st?

Prime Number Checker ships an update every 5 weeks, and Math Problems 1st every 5 weeks. Most recently, Prime Number Checker was updated on October 3, 2026 and Math Problems 1st on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*